A slow-slip earthquake rumbling beneath the Kapiti Coast could help scientists predict when a devastating earthquake might hit.
After five years of being "stuck" to the overlying Australian plate, the subducting Pacific Plate started moving again in mid-September.
GNS Science has since recorded six-centimetres of movement - and it could keep shifting for several more months.
Morning Report's Corin Dann spoke to Laura Wallace, a GNS Geodetic Scientist.
